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Top Questions
160
votes
How do you describe your mathematical research in layman's terms?
soft-question
big-list
advice
research
asked Feb 20, 2014 at 19:11
math.stackexchange.com
97
votes
Predicting Real Numbers
sequences-and-series
recreational-mathematics
puzzle
axiom-of-choice
asked Apr 24, 2013 at 5:34
math.stackexchange.com
66
votes
Encouraging class participation
classroom-management
interactive-teaching
class-participation
calculus
asked Mar 13, 2014 at 20:32
matheducators.stackexchange.com
52
votes
How to maintain enthusiasm and joy in teaching when the material grows stale
soft-question
education
teaching
asked Jan 15, 2014 at 22:59
math.stackexchange.com
32
votes
Are the words "easy," "basic," "clearly," "obviously," etc., ever helpful?
mathematical-pedagogy
terminology-and-notations
asked Apr 22, 2014 at 16:50
matheducators.stackexchange.com
26
votes
Curving grades without creating competition among students
undergraduate
grades
grading
asked Dec 16, 2020 at 17:55
academia.stackexchange.com
25
votes
How 'commutative' can a non-commutative ring be?
probability
abstract-algebra
reference-request
ring-theory
noncommutative-algebra
asked Jun 3, 2013 at 19:08
math.stackexchange.com
24
votes
Two Definitions of the Special Orthogonal Lie Algebra
linear-algebra
differential-geometry
lie-groups
lie-algebras
asked Mar 7, 2013 at 17:34
math.stackexchange.com
24
votes
Keeping quicker students engaged and interested throughout a course
calculus
classroom-management
class-participation
interactive-teaching
undergraduate-education
asked Mar 14, 2014 at 0:40
matheducators.stackexchange.com
23
votes
Variety of Nilpotent Matrices
matrices
algebraic-geometry
asked May 29, 2013 at 1:24
math.stackexchange.com
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Top Answers
140
My son's Sum of Some is beautiful! But what is the proof or explanation?
math.stackexchange.com
105
What is the equation for a 3D line?
math.stackexchange.com
43
Can a 2D person walking on a Möbius strip prove that it's on a Möbius strip?
math.stackexchange.com
32
Find the value of $x^3-x^{-3}$ given that $x^2+x^{-2} = 83$
math.stackexchange.com
27
What is "general position" of hyperplanes?
math.stackexchange.com
27
Finite groups $G$ so that $G$ has exactly two subgroups of a given order
mathoverflow.net
25
How much is $\lceil\frac{1}{\infty}\rceil$?
math.stackexchange.com
24
What exactly is a probability measure in simple words?
math.stackexchange.com
22
Curious Integral Proof
math.stackexchange.com
21
about addition and multiplications of real number
math.stackexchange.com
21
Unique complement of a subspace
math.stackexchange.com
21
Are irrational numbers completely random?
math.stackexchange.com
19
Closure of interior of closed set
math.stackexchange.com
18
map of arbitrary degree from compact oriented manifold into sphere
math.stackexchange.com
17
Why must a function have to have even and odd parts
math.stackexchange.com
16
absolutely convergent series and conditionally convergent series rearrangement
math.stackexchange.com
15
Is there a good age/level to start learning mathematical proofs?
matheducators.stackexchange.com
15
Upper and Lower Triangular Matrices
math.stackexchange.com
15
How many special right triangles are there?
math.stackexchange.com
14
Formula for pentagonal numbers
math.stackexchange.com
14
Evaluating the limit of a sequence given by recurrence relation $a_1=\sqrt2$, $a_{n+1}=\sqrt{2+a_n}$. Is my solution correct?
math.stackexchange.com
14
Why does $ \frac{2x}{2+x}$ provide a particularly tight lower bound for $\ln(1+x)$ for small positive values of $x$?
math.stackexchange.com
13
Checking whether a polynomial of high degree is bijective or not.
math.stackexchange.com
12
When is a tensor product of two commutative rings noetherian?
math.stackexchange.com
12
9 pirates have to divide 1000 coins...
math.stackexchange.com
12
How to prove that the set of rational numbers are countable?
math.stackexchange.com
12
"Question: Show that $n^5 - n$ is divisible by 30; for all natural n"
math.stackexchange.com
12
Definition/existence/uniqueness of a minimal projective resolution
math.stackexchange.com
12
In what sense is the derivative the "best" linear approximation?
math.stackexchange.com
11
How many field homomorphisms?
math.stackexchange.com
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